<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <script>
        var arr = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10];
        for (let i = 0; i < arr.length; i++) {
            index = Math.random * (arr.length-i-1)+i;
            let tmp = arr[i];
            arr[i] = arr[index];
            arr[index] = tmp
        }
        console.log(arr)
    </script>

</body>

</html>